local events = require("neo-tree.events")
local log = require("neo-tree.log")
local manager = require("neo-tree.sources.manager")

local M = {}

local hijack_cursor_handler = function()
  if vim.o.filetype ~= "neo-tree" then
    return
  end
  local success, source = pcall(vim.api.nvim_buf_get_var, 0, "neo_tree_source")
  if not success then
    log.debug("Cursor hijack failure: " .. vim.inspect(source))
    return
  end
  local winid = nil
  local _, position = pcall(vim.api.nvim_buf_get_var, 0, "neo_tree_position")
  if position == "current" then
    winid = vim.api.nvim_get_current_win()
  end

  local state = manager.get_state(source, nil, winid)
  if state == nil or not state.tree then
    return
  end
  local node = state.tree:get_node()
  log.debug("Cursor moved in tree window, hijacking cursor position")
  local cursor = vim.api.nvim_win_get_cursor(0)
  local row = cursor[1]
  local current_line = vim.api.nvim_get_current_line()
  local startIndex, _ = string.find(current_line, node.name, nil, true)
  if startIndex then
    vim.api.nvim_win_set_cursor(0, { row, startIndex - 1 })
  end
end

--Enables cursor hijack behavior for all sources
M.setup = function()
  events.subscribe({
    event = events.VIM_CURSOR_MOVED,
    handler = hijack_cursor_handler,
    id = "neo-tree-hijack-cursor",
  })
end

return M
